用層疊模型分析和估計網(wǎng)絡(luò)業(yè)務(wù)量
Analyzing and Estimating Network Traffic with Cascades Model
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摘要: 該文給出了用小波變換形式的層疊模型分析業(yè)務(wù)量的完整步驟，并通過實驗證實這個分析方法的適用性。文中特別指出，在進行分析時不宜使用單位時間內(nèi)分組到達數(shù)和分組到達間隔時間序列來對應(yīng)模型中的隨機過程，而應(yīng)該用它們的累加序列，因而可更全面地分析網(wǎng)絡(luò)業(yè)務(wù)量。
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關(guān)鍵詞:
- 無限可分層疊;對數(shù)正態(tài)層疊;傳播因子;小波變換
Abstract: The cascades model proposed recently from self-similar and multifractal model stem can be used to analyze network traffic comprehensively. This- paper, therefore, puts forward an integrated process using cascades model in pattern of wavelet transform to analyze network traffic and further justifies the feasibility of the method. Meanwhile, it emphasizes specifically that, the cumulant sequences of the sequences denoting the number of packet arrivals in unit time and that of inter-arrival time between packets, instead of either of both.should be considered as the stochastic process of the model. -
[1] Leland W E, Taqqu M S, Willinger W, Wilson D V. On the self-similar nature of Ethernet traffic (extended version)[J].IEEE/ACM Trans. on Networking.1994, 2(1):1-15 -
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